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Table 1 Incidence of underdamping/resonance

From: Accuracy of invasive arterial pressure monitoring in cardiovascular patients: an observational study

  Overall, number (%) R-group, number (%) NR-group, number (%)
Overall 300 (100) 92 (30.7) 208 (69.3)
Vascular surgery theater 70 (23.3) 20 (21.7) 50 (24)
Cardiac surgery theater 97 (32.3) 27 (29.4) 70 (33.6)
Cardiac surgery ICU 133 (44.4) 45 (48.9) 88 (42.4)
  1. R-group, patients with arterial signals affected by underdamping/resonance; NR-group, patients without arterial pressure artifact.